单项选择题
（）is the most frequent activities in the logistics, but generally adds no value to a product, those operation should be kept to a minimum.
A.Transportation B.Handling and carrying C.Marketing forecasts
单项选择题 （） is the acquisition of material and services from other companies.
单项选择题 （） are activities that manage the space needed to hold the inventories.
单项选择题 During the transfer process,（）are needed.
